To provide a vehicular battery heating device capable of efficiently heating a battery.SOLUTION: A vehicular battery heating device includes: a high-temperature side radiator 23 and a heater core 22 arranged in parallel with each other; a battery temperature adjustment part 33 for heating a battery 2 with a heating medium; a high-temperature side first diverging part 20d where the heating medium diverges to the high-temperature side radiator side and the heater core side; a high-temperature side first converging part 20e where the heating medium flowing through the high-temperature side radiator and the heating medium flowing through the heater core converge; a high-temperature side second diverging part 20d where the heating medium having heat dissipated by a radiator 12 diverges to the battery temperature adjustment part side; a high-temperature side second converging part 20e where the heating medium flowing through the battery temperature adjustment part converges; and a high-temperature side radiator flow reduction part 26 arranged in a heating medium flow path from the diverging part on a side closer to the high-temperature side radiator, of the high-temperature side first diverging part and the high-temperature side second diverging part, via the high-temperature side radiator, to the converging part on a side closer to the high-temperature side radiator, of the high-temperature side first converging part and the high-temperature side second converging part.SELECTED DRAWING: Figure 1
【課題】電池を効率よく加熱できる車両用電池加熱装置を提供する。【解決手段】互いに並列に配置された高温側ラジエータ23およびヒータコア22と、熱媒体で電池2を加熱する電池温度調整部33と、熱媒体が高温側ラジエータ側とヒータコア側とに分岐する高温側第1分岐部20dと、高温側ラジエータを流れた熱媒体とヒータコアを流れた熱媒体とが合流する高温側第1合流部20eと、放熱器12で放熱された熱媒体が電池温度調整部側に分岐する高温側第2分岐部20dと、電池温度調整部を流れた熱媒体が合流する高温側第2合流部20eと、高温側第1分岐部および高温側第2分岐部のうち高温側ラジエータに近い側の分岐部から、高温側ラジエータを経て、高温側第1合流部および高温側第2合流部のうち高温側ラジエータに近い側の合流部に至る熱媒体流路に配置された高温側ラジエータ流量低減部26とを備える。【選択図】図1
VEHICULAR BATTERY HEATING DEVICE
車両用電池加熱装置
2020-10-29
Patent
Electronic Resource
Japanese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS |